I love this map, not for its looks but instead for the novelty and technicality. It shows all the lighthouses from OpenStreetMap and uses signal sequence data (if available) to accurately flash the lights as they would in reality. It’s quite hypnotic.

geodienst/lighthousemap
OpenStreetMap’s Blinking Beacons. Contribute to geodienst/lighthousemap development by creating an account on GitHub.
geodienstGitHub